and that's what law enforcement authorities are telling us, wolf. >> and these are federal charges, joe, so the attorney general, eric holder, he makes this decision, specific charges, when they're filed. it goes to the attorney general, right? >> well, it certainly is likely to go to the attorney general because of the attention this case has gotten. also, any decision as to whether to charge the defendant with a crime that is punishable by death is certainly something the attorney general of the united states would weigh in on. and that's what we're talking about, at least the potential of, for right now, wolf. >> all right, joe, we'll keep in close touch with you. i know you're working your sources at the justice department and the fbi. as soon as you get word, you'll let us know. we'll go into breaking news on that front. joe johns reporting from washington. meanwhile, the defense secretary chuck hagel spoke about the bombing investigation today. he said so far he has not seen any intelligence directly linking the surviving suspect and his older brother, the 26-year-old tamerlan tsa